CN105904291B - Full-automatic grinding machine for pruning shear blade - Google Patents

Full-automatic grinding machine for pruning shear blade Download PDF

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Publication number
CN105904291B
CN105904291B CN201610504819.0A CN201610504819A CN105904291B CN 105904291 B CN105904291 B CN 105904291B CN 201610504819 A CN201610504819 A CN 201610504819A CN 105904291 B CN105904291 B CN 105904291B
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China
Prior art keywords
grinding
station
pruning
shear blade
pruning shear
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CN201610504819.0A
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CN105904291A (en
Inventor
李庆
吴亚兰
方慧敏
胡如方
邵洋
赵文英
杜文文
蒋远远
杨金国
彭荣富
殷潇
高凯迪
马奔驰
张飞龙
李晓明
项煜
刘盼明
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Anhui Technical College of Mechanical and Electrical Engineering
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Anhui Technical College of Mechanical and Electrical Engineering
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Publication of CN105904291A publication Critical patent/CN105904291A/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24BMACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B3/00Sharpening cutting edges, e.g. of tools; Accessories therefor, e.g. for holding the tools
    • B24B3/36Sharpening cutting edges, e.g. of tools; Accessories therefor, e.g. for holding the tools of cutting blades
    • B24B3/52Sharpening cutting edges, e.g. of tools; Accessories therefor, e.g. for holding the tools of cutting blades of shear blades or scissors
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24BMACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B27/00Other grinding machines or devices
    • B24B27/0023Other grinding machines or devices grinding machines with a plurality of working posts
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24BMACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B41/00Component parts such as frames, beds, carriages, headstocks
    • B24B41/02Frames; Beds; Carriages
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24BMACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B47/00Drives or gearings; Equipment therefor
    • B24B47/10Drives or gearings; Equipment therefor for rotating or reciprocating working-spindles carrying grinding wheels or workpieces
    • B24B47/14Drives or gearings; Equipment therefor for rotating or reciprocating working-spindles carrying grinding wheels or workpieces by liquid or gas pressure
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/10Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)

Abstract

The invention discloses a full-automatic grinding machine for pruning shear blades, which comprises an operating platform, wherein an index plate controlled by a stepping motor is arranged on the operating platform, a feeding station, a first grinding station, a second grinding station, a third grinding station, a fourth grinding station and an unloading station are sequentially arranged on the operating platform along the periphery of the index plate, six jigs for clamping pruning shear blades are equidistantly arranged on the index plate, and the first grinding station, the second grinding station, the third grinding station and the fourth grinding station are respectively provided with a grinding mechanism which is in one-to-one correspondence with the jigs on the index plate. The invention adopts multi-station synchronous grinding, realizes the full-automatic processing of the grinding of the cutting edge of the pruning shear blade and greatly improves the grinding precision and the processing efficiency.

Description

Full-automatic grinding machine for pruning shear blade
Technical Field
The invention relates to the technical field of blade edging devices, in particular to a full-automatic grinding machine for pruning shear blades.
Background
The pruning shears are garden tools for pruning plant branches and leaves, and patent publication No. CN301991402S discloses pruning shears which comprise two blades, one is a blunt blade without need of sharpening, the other is a sharp blade with need of sharpening, the cutting edge of the sharp blade is a single-side cutting edge generally, the shape of the cutting edge is circular arc, so that the force used during pruning enables the cutting edge of the sharp blade to gradually enter branches, the blunt blade plays a role in supporting the branches, the branches are not broken, and the pruning shears are labor-saving. However, the cutting edge of the prior pruning shear blade is ground manually by a special clamp of an experienced worker, before grinding, the inclined surface of the blade surface is firstly processed by a numerical control lathe, then a cutting edge is finely ground on the inclined surface of the blade surface by using a grinding wheel, the efficiency is very low during large-scale processing production, the precision of the cutting edge is difficult to accurately control, and the consistency of the shapes of the cutting edges of the blades in batches is difficult to ensure.
Disclosure of Invention
The invention aims to provide a full-automatic grinding machine for pruning shears blades, aiming at overcoming the defects in the prior art, and the full-automatic grinding machine for pruning shears blades adopts multi-station synchronous grinding to realize full-automatic processing of grinding the cutting edges of the pruning shears blades and greatly improve grinding precision and processing efficiency.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
the utility model provides a full-automatic grinding machine of pruning scissors piece, which comprises an operation panel, be equipped with the graduated disk by step motor control on the operation panel, be equipped with the material loading station in proper order along the graduated disk periphery on the operation panel, first grinding station, the second grinding station, the third grinding station, the fourth grinding station and the station of unloading, the graduated disk is equidistant to be provided with six jigs that are used for pressing from both sides the pruning scissors piece, first grinding station, the second grinding station, the third grinding station and the fourth grinding station are equipped with the grinding mechanism with the tool one-to-one on the graduated disk respectively, the grinding mechanism of first grinding station is used for pruning scissors piece knife face inclined plane corase grind, the grinding mechanism of second grinding station is used for pruning scissors piece knife face inclined plane tail end finish grinding, the grinding mechanism of third grinding station is used for pruning scissors piece knife edge, the grinding mechanism of fourth grinding station is used for pruning scissors piece knife face inclined plane start end finish grinding.
Wherein, grinding mechanism sets up the frame on the operation panel including rotating, be equipped with the slip table in the frame, the one end of slip table is articulated with the frame, the slip table other end passes through lead screw actuating mechanism and frame swing joint, the slip table facial make-up is equipped with the slider by radial drive actuating cylinder drive control, install the circumferential motion bistrique or the radial motion bistrique by bistrique driving motor drive control on the slider, the circumferential motion bistrique is used for pruning shear blade horizontal grinding, the radial motion bistrique is used for pruning shear blade vertical grinding, radial drive actuating cylinder drive slider is along slip table straight reciprocating motion, be used for controlling the grinding degree of depth and provide grinding thrust to circumferential motion bistrique or radial motion bistrique.
Furthermore, a linear guide rail is arranged on the sliding block, a lifting plate controlled by a lifting motor is arranged on the linear guide rail, and a grinding head driving motor is arranged on the lifting plate. The lifting motor controls the lifting plate to lift on the linear guide rail, so that the grinding head driving motor and the circumferential motion grinding head or the radial motion grinding head are driven to lift up and down relative to the pruning shear blade, and the effects of tool setting and tool feed amount adjustment are achieved.
Further, the screw rod driving mechanism comprises a lifting ejector rod, a screw rod, a guide nut and a lifting motor, the lifting motor is installed on the rack and drives the screw rod to rotate, the guide nut is sleeved on the screw rod, one end of the lifting ejector rod is hinged to the guide nut, and the other end of the lifting ejector rod is hinged to the sliding table. The lifting motor drives the lead screw to rotate, the guide nut slides along the axial direction of the lead screw under the driving action of the lead screw and the limiting action of the lifting ejector rod, so that the lifting ejector rod drives the sliding table to rotate relative to the rack, the grinding angle adjusting effect is achieved, the lifting motor controls the angle of the sliding table through the lead screw, the nut and the lifting ejector rod, the control precision is high, the lead screw has a good position locking effect, the grinding process is stable and reliable, and the quality of the pruning shear blade is guaranteed.
Preferably, the operating platform is provided with support rods at positions corresponding to the first grinding station, the second grinding station, the third grinding station and the fourth grinding station, the support rods are provided with fluted discs, one end of the rack is rotatably connected with the support rods, the lower part of the rack is provided with pulleys, the rack is provided with a rotary driving motor, and a driving shaft of the rotary driving motor is provided with a driving gear meshed with the fluted discs. The driving gear rotates around the fluted disc under the driving of the rotary driving motor, and then drives the rack to rotate on the operating platform by taking the supporting rod as an axis, the axis of the supporting rod is superposed with the axis of the jig, so that the circumferential motion grinding head on the rack can make circumferential grinding motion along the arc where the cutting edge of the pruning shear blade is located, and the rotary driving motor drives the rack to rotate through the matching of the driving gear and the fluted disc to play the roles of automatic grinding and grinding position adjustment.
The operation table is provided with a positioning block driven and controlled by a positioning cylinder, the indexing plate is provided with a positioning hole in limit fit with the positioning block, the positioning cylinder drives the positioning block to descend and separate from the positioning hole, the indexing plate can be driven by a stepping motor to rotate in a stepping mode, when the indexing plate rotates in place, the positioning cylinder drives the positioning block to ascend and insert into the positioning hole, the indexing plate is positioned, grinding precision is guaranteed, and whether the indexing plate rotates in place or not can be judged by judging whether the positioning block is inserted into the positioning hole or not so as to avoid misoperation.
The jig comprises a base plate and a pressing plate, the base plate and the dividing plate are fixedly connected through a fastening bolt from top to bottom in sequence, a flange matched with a knife ridge of the pruning shear blade is arranged at the bottom of the pressing plate, a knife face matched clamping edge of the pruning shear blade is arranged on the upper portion of the pressing plate, and the pruning shear blade is fixedly clamped between the clamping edge of the pressing plate and the base plate. When the pruning shear blade is installed, the fastening bolt is firstly unscrewed, then the spine of the pruning shear blade is tightly abutted against the flange of the pressing plate, and then the fastening bolt is screwed down, so that the pruning shear blade is tightly clamped between the clamping edge of the pressing plate and the base plate, and the pressing plate and the base plate are simultaneously fixed on the index plate. In order to ensure that the knife spine of the pruning shear blade is tightly abutted against the flange of the pressing plate, the detection can be carried out by means of a special fixture, namely, when the pruning shear blade is arranged between the pressing plate and the base plate, the clamping bolt is screwed and tightened to clamp after the detection and the positioning of the fixture, so that the pruning shear blade is ensured to be installed in place.
The jig is used for clamping two pruning shear blades, the pressing plate is provided with two flanges which are symmetrically arranged, the pressing plate is provided with two clamping edges which are symmetrically arranged, and when the two pruning shear blades are clamped on the jig, the cutting edges of the two pruning shear blades are positioned on the same circular arc. Every tool can press from both sides dress two pruning scissors pieces to the knife tip of two pruning scissors pieces is relative, thereby can make the circumferential motion bistrique in the frame once grind two pruning scissors pieces, further improves machining efficiency.
After adopting the technical scheme, compared with the prior art, the invention has the advantages that:
the full-automatic grinding machine for the pruning shears blade provided by the invention has the advantages that the multi-station synchronous grinding is adopted, the full-automatic processing of grinding of the cutting edge of the pruning shears blade is realized, the grinding precision and the processing efficiency are greatly improved, only one common worker is needed to carry out loading and unloading operations on the pruning shears blade at the loading station and the unloading station, the labor cost is reduced, the processing efficiency is greatly improved, the grinding precision is high, the consistency of the shapes of the cutting edges of the pruning shears blades in batches is better, and the product quality is improved.
Drawings
The invention is further illustrated with reference to the following figures and examples:
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is an exploded view of the table and index plate of the present invention;
FIG. 3 is a schematic perspective view of a jig according to the present invention;
FIG. 4 is an exploded view of the jig of the present invention;
FIG. 5 is a schematic view of the construction of the platen of the present invention;
FIG. 6 is a schematic top view of the indexing disk of the present invention;
FIG. 7 isbase:Sub>A schematic sectional view taken along line A-A in FIG. 6;
FIG. 8 is a schematic view of a first grinding station of the present invention;
FIG. 9 is an enlarged partial schematic view of a first grinding station of the present invention;
fig. 10 is a structural view of the grinding state of the circumferential motion grinding head of the invention;
FIG. 11 is a schematic cross-sectional view of B-B of FIG. 10;
FIG. 12 is a schematic view of a fourth grinding station of the present invention;
fig. 13 is a structural schematic diagram of the grinding state of the radial motion grinding head of the invention.
In the figure, 1. An operation table; 2. a stepping motor; 3. an index plate; 4. a turntable; 5. positioning a plate; 6. positioning the air cylinder; 7. positioning blocks; 8. positioning holes; 9. a feeding station; 10. a first grinding station; 11. a second grinding station; 12. a third grinding station; 13. a fourth grinding station; 14. a discharge station; 15. a jig; 16. a substrate; 17. pressing a plate; 18. tightening the bolt; 19. a pruning shear blade; 20. a card slot; 21. blocking edges; 22. clamping edges; 23. a grinding mechanism; 24. a frame; 25. a sliding table; 26. a radial drive cylinder; 27. a slider; 28. the grinding head drives the motor; 29. a grinding head moving in the circumferential direction; 30. a radially moving grinding head; 31. lifting the ejector rod; 32. a screw rod; 33. a guide nut; 34. lifting a motor; 35. a support bar; 36. a fluted disc; 37. a pulley; 38. a rotary drive motor; 39. the gears are driven.
Detailed Description
The following description is only a preferred embodiment of the present invention, and does not limit the scope of the present invention.
Referring to fig. 1-13, a full-automatic grinding machine for pruning shears blade.
The device comprises an operating platform, and referring to fig. 1, 2 and 7, an index plate 3 controlled by a stepping motor 2 is arranged on the operating platform 1, the stepping motor 2 is fixedly arranged on the operating platform 1, a rotary table 4 used for bearing the index plate 3 is arranged at the upper end of the stepping motor 2, a driving shaft of the stepping motor 2 penetrates through the center of the rotary table 4 to be connected with the index plate 3, and the stepping motor 2 drives the index plate 3 to rotate on the rotary table 4 in a stepping mode. The operating table 1 is further fixedly connected with a positioning disc 5, a positioning block 7 driven and controlled by a positioning cylinder 6 is arranged on the positioning disc 5, a positioning hole 8 in limit fit with the positioning block 7 is formed in the dividing disc 3, the upper end of the positioning block 7 is conical so that the positioning block 7 can slide into the positioning hole 8 in a guiding mode, the dividing disc 3 can be accurately positioned and corner errors are eliminated, the positioning cylinder 6 drives the positioning block 7 to descend and separate from the positioning hole 8, the dividing disc 3 can rotate in a stepping mode under the driving of the stepping motor 2, when the dividing disc 3 rotates in place, the positioning cylinder 6 drives the positioning block 7 to ascend and insert into the positioning hole 8, the positioning function is achieved on the dividing disc 3, and whether the dividing disc 3 rotates in place or not can be judged through whether the positioning block 7 is inserted into the positioning hole 8, and misoperation is avoided.
Referring to fig. 1, a feeding station 9, a first grinding station 10, a second grinding station 11, a third grinding station 12, a fourth grinding station 13 and an unloading station 14 are sequentially arranged on an operating table 1 along the periphery of an index plate 3, six jigs 15 for clamping a pruning shear blade 19 are arranged on the index plate 3 at equal intervals, referring to fig. 3, 4 and 5, each jig 15 comprises a base plate 16 and a pressing plate 17, the base plate 16 and the index plate 3 are sequentially and fixedly connected through a fastening bolt 18 from top to bottom, a clamping groove 20 in limit fit with a hinged pin of the pruning shear blade 19 is arranged on the base plate 16, a blocking edge 21 matched with a ridge of the pruning shear blade 19 is arranged at the bottom of the pressing plate 17, a clamping edge 22 matched with a knife face of the pruning shear blade 19 is arranged at the upper part of the pressing plate 17, and the pruning shear blade 19 is fixedly clamped between the clamping edge 22 of the pressing plate 17 and the base plate 16. When the pruning shear blade 19 is installed, the fastening bolt 18 is firstly screwed loose, then the spine of the pruning shear blade 19 is tightly abutted against the flange 21 of the pressure plate 17, and then the fastening bolt 18 is screwed tightly, so that the pruning shear blade 19 is tightly clamped between the clamping edge 22 of the pressure plate 17 and the base plate 16, and the pressure plate 17 and the base plate 16 are fixed on the index plate 3. In order to ensure that the ridge of the pruning shears blade 19 is tightly abutted against the flange 21 of the pressing plate 17, the detection can be carried out by using a special fixture, namely when the pruning shears blade 19 is arranged between the pressing plate 17 and the base plate 16, the pruning shears blade 19 is tightly clamped by screwing the fastening bolt 18 after being detected and positioned by the fixture, so as to ensure that the pruning shears blade 19 is installed in place.
The jig 15 is used for clamping two pruning shear blades 19, the pressing plate 17 is provided with two flanges 21 which are symmetrically arranged, the pressing plate 17 is provided with two clamping edges 22 which are symmetrically arranged, and when the two pruning shear blades 19 are clamped on the jig 15, the cutting edges of the two pruning shear blades 19 are positioned on the same circular arc. Referring to fig. 10, each jig 15 may clamp two pruning shears 19, and the tips of the two pruning shears 19 are opposite, so that the circumferentially moving grinding heads 29 on the frame 24 may grind the two pruning shears 19 at a time, further improving the processing efficiency.
The first grinding station 10, the second grinding station 11, the third grinding station 12 and the fourth grinding station 13 are respectively provided with a grinding mechanism 23 which is in one-to-one correspondence with the jigs 15 on the index plate 3, the grinding mechanism 23 of the first grinding station 10 is used for rough grinding of the inclined surface of the knife face of the pruning shear blade 19, the grinding mechanism 23 of the second grinding station 11 is used for fine grinding of the tail section of the inclined surface of the knife face of the pruning shear blade 19, the grinding mechanism 23 of the third grinding station 12 is used for fine grinding of the cutting edge of the pruning shear blade 19, and the grinding mechanism 23 of the fourth grinding station 13 is used for fine grinding of the starting end of the inclined surface of the knife face of the pruning shear blade 19.
Due to the adoption of multi-station synchronous grinding, the full-automatic processing of grinding of the cutting edge of the pruning shear blade 19 is realized, the grinding precision and the processing efficiency are greatly improved, only one common worker is needed to carry out loading and unloading operations on the pruning shear blade 19 at the loading station 9 and the unloading station 14, the labor cost is reduced, the processing efficiency is greatly improved, the grinding precision is high, the consistency of the shape of the cutting edge of the pruning shear blade 19 in batches is particularly good, and the product quality is improved.
The grinding mechanism 23 comprises a rack 24 which is rotatably arranged on the operating platform 1, see fig. 8, a sliding table 25 is arranged on the rack 24, one end of the sliding table 25 is hinged to the rack 24, the other end of the sliding table 25 is movably connected with the rack 24 through a lead screw driving mechanism, a sliding block 27 which is driven and controlled by a radial driving cylinder 26 is arranged on the sliding table 25, a sliding rail which is matched with the sliding block 27 is arranged on the sliding table 25, an adjustable limiting block is further arranged on the sliding rail and used for limiting the maximum stroke position of the sliding block 27 which moves under the driving and controlling of the radial driving cylinder 26, the limiting position of the adjustable limiting block is adjusted and arranged according to the actual grinding depth of the pruning shear blade 19, a circumferential motion grinding head 29 or radial motion grinding head 30 which is driven and controlled by a grinding head driving motor 28 is arranged on the sliding block 27, see fig. 9, fig. 10 and fig. 11, wherein a circumferential motion grinding head 29 is arranged on the sliding blocks 27 of the first grinding station 10, the second grinding station 11 and the third grinding station 12 and is used for transverse grinding of the pruning shear blade 19, see fig. 12 and fig. 13, a radial motion grinding head 30 is arranged on the sliding block 27 of the fourth grinding station 13 and is used for installing a radial motion grinding head 30 which is used for controlling the radial motion grinding head 30 which drives the grinding blade 27 and provides a linear motion grinding blade 27 and a linear motion grinding blade 27 along the sliding block 27, and a linear motion grinding head 30 which drives the sliding block 30.
Referring to fig. 8, a linear guide rail is provided on the slide block 27, a lifting plate controlled by a lifting motor is provided on the linear guide rail, the lifting plate is slidably provided on the linear guide rail through a guide rail bearing, a screw rod in threaded fit with the sliding table 25 is connected to a driving shaft of the lifting motor, when the lifting motor drives the screw rod to rotate, the lifting plate is lifted up and down along the guide rail, and a grinding head driving motor 28 is installed on the lifting plate. The lifting motor controls the lifting plate to lift on the linear guide rail, so that the grinding head driving motor 28 and the circumferential motion grinding head 29 or the radial motion grinding head 30 are driven to lift up and down relative to the pruning shear blade 19, and the effects of tool setting and tool feeding amount adjustment are achieved.
Referring to fig. 8, the screw rod driving mechanism includes a lifting top rod 31, a screw rod 32, a guiding nut 33 and a lifting motor 34, the lifting motor 34 is installed on the frame 24, the lifting motor 34 drives the screw rod 32 to rotate, the guiding nut 33 is sleeved on the screw rod 32, one end of the lifting top rod 31 is hinged to the guiding nut 33, and the other end is hinged to the sliding table 25. Lifting motor 34 drive lead screw 32 rotates, guide nut 33 slides along lead screw 32 axial under the limiting displacement of lead screw 32 drive effect and lift ejector pin 31, thereby drive slip table 25 through lifting ejector pin 31 and rotate relative frame 24, play the effect of adjusting the grinding angle, lifting motor 34 passes through lead screw 32, nut and lifting ejector pin 31 control slip table 25 angle, control accuracy is higher, and lead screw 32 has better position locking effect, the grinding process is reliable and stable, thereby guarantee pruning scissors piece 19's quality.
Referring to fig. 1 and 8, a support rod 35 is disposed on the operating table 1 at a position corresponding to the first grinding station 10, the second grinding station 11, the third grinding station 12, and the fourth grinding station 13, a toothed disc 36 is disposed on the support rod 35, one end of the frame 24 is rotatably connected to the support rod 35, a pulley 37 is disposed at a lower portion of the frame 24, a rotary driving motor 38 is disposed on the frame 24, and a driving gear 39 engaged with the toothed disc 36 is disposed on a driving shaft of the rotary driving motor 38. The driving gear 39 rotates around the fluted disc 36 under the driving of the rotary driving motor 38, and further drives the rack 24 to rotate on the operating table 1 by taking the supporting rod 35 as an axis, the axis of the supporting rod 35 coincides with the axis of the jig 15, so that the circumferential motion grinding head 29 on the rack 24 performs circumferential grinding motion along the arc where the cutting edge of the pruning shear blade 19 is located, and the rotary driving motor 38 drives the rack 24 to rotate through the matching of the driving gear 39 and the fluted disc 36 to achieve the effects of automatic grinding and grinding position adjustment.
A processing method for grinding the pruning shear blade 19 by utilizing the full-automatic grinding machine for the pruning shear blade comprises the following steps:
1) The grinding mechanism 23 on the first grinding station 10, the second grinding station 11, the third grinding station 12 and the fourth grinding station 13 is adjusted, the grinding mechanism comprises a lifting motor which drives a lifting plate to move up and down along a linear guide rail to complete tool setting and tool feeding amount adjusting operation, a radial driving cylinder 26 drives a control slide block 27 to move linearly along a sliding table 25 to complete grinding depth adjusting operation, a lifting motor 34 controls the sliding table 25 to turn over through a lead screw 32, a nut and a lifting ejector rod 31 to complete grinding angle adjusting operation, and a rotary driving motor 38 controls a rack 24 to rotate through a pneumatic gear and a fluted disc 36 to complete grinding range adjusting operation of a circumferential motion grinding head 29 or a radial motion grinding head 30; 2) Fixedly clamping a pruning shear blade 19 on a jig 15 of the feeding station 9; 3) In the first grinding station 10, the grinding mechanism 23 on the station is used for carrying out rough grinding on the inclined surface of the pruning shear blade 19; 4) In the second grinding station 11, the grinding mechanism 23 on the station is used for finely grinding the inclined surface of the pruning shear blade 19; 5) In the third grinding station 12, the cutting edge of the pruning shear blade 19 is finely ground by a grinding mechanism 23 on the station; 6) In the fourth grinding station 13, the grinding mechanism 23 on the station is used for finely grinding the starting end of the slope of the blade face of the pruning shear blade 19; 7) At the discharge station 14, the pruning shears 19 are unloaded.
It should be noted here that the first grinding station 10 is used for rough grinding of the slope of the middle blade face of the two pruning shear blades 19, the second grinding station 11 is used for finish grinding of the slope of the middle blade face of the two pruning shear blades 19, the third grinding station 12 is used for finish grinding of the cutting edge of the middle blade face of the two pruning shear blades 19, the range of the middle blade face of the pruning shear blades 19 is as shown in fig. 9, in order to ensure the consistency of the product, the grinding of the slope of the blade face of each pruning shear blade 19 is from the start end (handle) of the slope of the blade face to the end (tip), the fourth grinding station 13 is used for finish grinding of the start end of the slope of the two pruning shear blades 19, the position of the start end of the slope of the pruning blade 19 is as shown by the arrow in fig. 13, the radially moving grinding head 30 of the first grinding station 10 first grinds the start end of the slope of one blade face, and then rotates to the start end of the slope of the other blade for finish grinding.
The above-mentioned embodiments are not intended to limit the present invention, and it should be understood by those skilled in the art that the equivalent substitutions for some technical features can be made within the spirit and principle of the present invention.

Claims (4)

1. The utility model provides a full-automatic milling machine of pruning scissors blade which characterized in that: the automatic grinding machine comprises an operating platform (1), wherein an index plate (3) controlled by a stepping motor (2) is arranged on the operating platform (1), a feeding station (9), a first grinding station (10), a second grinding station (11), a third grinding station (12), a fourth grinding station (13) and an unloading station (14) are sequentially arranged on the operating platform (1) along the periphery of the index plate (3), six jigs (15) used for clamping the pruning shear blade (19) are equidistantly arranged on the index plate (3), the first grinding station (10), the second grinding station (11), the third grinding station (12) and the fourth grinding station (13) are respectively provided with grinding mechanisms (23) corresponding to the jigs (15) on the index plate (3) one by one, the grinding mechanism (23) of the first grinding station (10) is used for pruning the inclined plane of the pruning shear blade (19), the grinding mechanism (23) of the second grinding station (11) is used for pruning the tail section of the inclined plane of the pruning shear blade (19), the grinding mechanism (23) of the third grinding station (12) is used for grinding the cutting edge of the finishing bevel plane of the finishing shear blade (19), and the finishing edge of the finishing blade (13) is used for grinding the finishing end of the finishing bevel plane of the finishing blade (19);
the grinding mechanism (23) comprises a rack (24) rotatably arranged on the operating platform (1), a sliding table (25) is arranged on the rack (24), one end of the sliding table (25) is hinged with the rack (24), the other end of the sliding table (25) is movably connected with the rack (24) through a screw rod driving mechanism, a sliding block (27) driven and controlled by a radial driving cylinder (26) is arranged on the sliding table (25), and a circumferential motion grinding head (29) or a radial motion grinding head (30) driven and controlled by a grinding head driving motor (28) is arranged on the sliding block (27);
a linear guide rail is arranged on the sliding block (27), a lifting plate controlled by a lifting motor is arranged on the linear guide rail, and a grinding head driving motor (28) is arranged on the lifting plate;
the screw rod driving mechanism comprises a lifting ejector rod (31), a screw rod (32), a guide nut (33) and a lifting motor (34), the lifting motor (34) is installed on the rack (24), the lifting motor (34) drives the screw rod (32) to rotate, the guide nut (33) is sleeved on the screw rod (32), one end of the lifting ejector rod (31) is hinged with the guide nut (33), and the other end of the lifting ejector rod is hinged with the sliding table (25);
the grinding machine is characterized in that supporting rods (35) are arranged at positions, corresponding to the first grinding station (10), the second grinding station (11), the third grinding station (12) and the fourth grinding station (13), on the operating table (1), fluted discs (36) are arranged on the supporting rods (35), one end of a rack (24) is rotatably connected with the supporting rods (35), pulleys (37) are arranged on the lower portion of the rack (24), a rotary driving motor (38) is arranged on the rack (24), and a driving gear (39) meshed with the fluted discs (36) is arranged on a driving shaft of the rotary driving motor (38).
2. The full-automatic grinding machine of pruning shear blade of claim 1, characterized in that: the operating table (1) is provided with a positioning block (7) driven and controlled by a positioning cylinder (6), and the index plate (3) is provided with a positioning hole (8) in limit fit with the positioning block (7).
3. The full-automatic grinding machine of pruning shear blade of claim 1 characterized in that: the jig (15) comprises a base plate (16) and a pressing plate (17), the base plate (16) and the index plate (3) are fixedly connected through a fastening bolt (18) from top to bottom in sequence, a flange (21) matched with the ridge of the pruning shear blade (19) is arranged at the bottom of the pressing plate (17), a clamping edge (22) matched with the knife face of the pruning shear blade (19) is arranged at the upper part of the pressing plate (17), and the pruning shear blade (19) is fixedly clamped between the clamping edge (22) of the pressing plate (17) and the base plate (16).
4. The full-automatic grinding machine of pruning shear blade of claim 3, characterized in that: the jig (15) is used for clamping two pruning scissors blades (19), the pressing plate (17) is provided with two flanges (21) symmetrically arranged, the pressing plate (17) is provided with two clamping edges (22) symmetrically arranged, and when the two pruning scissors blades (19) are clamped on the jig (15), the cutting edges of the two pruning scissors blades (19) are positioned on the same circular arc.
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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5618226A (en) * 1995-03-06 1997-04-08 Nikkari Co., Ltd. Apparatus for grinding a reciprocal trimming blade
CN201848745U (en) * 2010-08-13 2011-06-01 浙江名媛工艺饰品有限公司 Grinding and polishing machine for multistation water drill inclined plane
CN102794677A (en) * 2012-08-23 2012-11-28 福建大吉刀剪五金有限公司 Multi-station intelligent numerical-control grinding machine for knives and scissors
CN202716164U (en) * 2012-08-23 2013-02-06 福建大吉刀剪五金有限公司 Multi-station intelligent knife cutting numerical control grinding machine dust collection device

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5618226A (en) * 1995-03-06 1997-04-08 Nikkari Co., Ltd. Apparatus for grinding a reciprocal trimming blade
CN201848745U (en) * 2010-08-13 2011-06-01 浙江名媛工艺饰品有限公司 Grinding and polishing machine for multistation water drill inclined plane
CN102794677A (en) * 2012-08-23 2012-11-28 福建大吉刀剪五金有限公司 Multi-station intelligent numerical-control grinding machine for knives and scissors
CN202716164U (en) * 2012-08-23 2013-02-06 福建大吉刀剪五金有限公司 Multi-station intelligent knife cutting numerical control grinding machine dust collection device

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